PESA Cheetah 1024x256, Руководство пользователя

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C
HEETAH
S
ERIES
S
WITCHERS
– C
HAPTER
6
81-9059-0570-0 Rev. C
Proprietary Information of PESA S
WITCHING
S
YSTEMS
, I
NC
. 46
Cheetah 256x256 Specifications (cont.)
Standard Analog Video Chrominance/Luminance
Gain Inequity:......................................................................................................... ±1.0% max.
Delay Inequity: ...............................................................................................................±1.0 ns
Standard Analog Video Non-Linear Distortions
Note: All tests: 10 to 90% @ 3.58MHz or 12.5 to 87.5% @ 4.43Mhz.
Differential Gain:........................................................................................ 0.25% @ 4.43 MHz
Envelope Delay: ...............................................................................<2.0ns, 50MHz to 85 MHz
Differential Phase: ........................................................................................ 0.25
°
@ 4.43 MHz
Line Time Non-Linearity: .................................................................................................. 0.2%
Transient Gain: ......................................................... 1.0% (Luminance, Chrominance, or Sync)
Video o Video Crosstalk: ..........................
≤
-60 dB to 5.0 MHz (all Inputs and Outputs Hostile)
..................................................................................................................
≤
-35 dB @ 35 MHz
Standard Analog Video Switching Characteristics
Switching Time: ............................................................................................................
≤
1.0
µ
s
Switching Transient: ................................................................................ 22 mV (30 IRE Units)
Differential Delay (any Input to any Output) ........................................................ Approx. 8.5ns
........................................................................................................................11
°
@ 3.58 MHz
......................................................................................................................13.5
°
@4.43 MHz
Standard Analog Video Signal to Noise
Video Filter: ......................................................... -70 dB RMS Noise to P-P Signal to 5.0 MHz
High-Level Analog Video Input Characteristics
Level: ..............................................................................................
±
5.0 V, Referred to Ground
Impedance: .........................................................................................75
Ω
internally terminated
Return Loss: ............................................................................................... > 40 dB to 5.0 MHz
.................................................................................................................... > 15 dB to 50 MHz
Coupling:.................................................................................................................Direct (DC)
Type: ........................................................................................................................... Balanced
Connector:......................................................................................................................... BNC
High-Level Analog Video Output Characteristics
Level: ..............................................................................................
±
5.0 V, Referred to Ground
Impedance: .........................................................................................75
Ω
internally terminated
Return Loss: ............................................................................................... > 40 dB to 5.0 MHz
.................................................................................................................... > 15 dB to 50 MHz
Coupling:.................................................................................................................Direct (DC)
DC on Out: ................................................................................................................. <±50 mV
Connector:......................................................................................................................... BNC
Number: ..................................................................................................... One (Two Optional)
Continued